30834420 has 48 divisors (see below), whose sum is σ = 86643648. Its totient is φ = 8193280.

The previous prime is 30834409. The next prime is 30834437. The reversal of 30834420 is 2443803.

It is a super-2 number, since 2×30834420² = 1901522913472800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20080 + ... + 21560.

It is an arithmetic number, because the mean of its divisors is an integer number (1805076).

Almost surely, 2^30834420 is an apocalyptic number.

30834420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30834420 is an abundant number, since it is smaller than the sum of its proper divisors (55809228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30834420 is a wasteful number, since it uses less digits than its factorization.

30834420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30834420 is about 5552.8749310605. The cubic root of 30834420 is about 313.5777656083.

It can be divided in two parts, 3083 and 4420, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 30834420 in words is "thirty million, eight hundred thirty-four thousand, four hundred twenty".